<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <link rel="stylesheet" href="dome.css">
</head>
<body>
    <div class="warpper">
        <div class="Input-box">
            <input type="text" class="txt">
            <p class="stateText">这段是验证数据</p>
        </div>
        <div class="show-box">
            <canvas width="180" height="40"></canvas>
           <a class="heavy" href="javascript: ;">换一张</a>
        </div>
        <button class="submit">提交</button>
    </div>
    <script src="dome.js"></script>
</body>
</html>